scoutos / prex-0.9.0 / usr / lib / libc / stdio / tempnam.c @ 03e9c04a
History | View | Annotate | Download (2.59 KB)
1 |
/*
|
---|---|
2 |
* Copyright (c) 1988, 1993
|
3 |
* The Regents of the University of California. All rights reserved.
|
4 |
*
|
5 |
* Redistribution and use in source and binary forms, with or without
|
6 |
* modification, are permitted provided that the following conditions
|
7 |
* are met:
|
8 |
* 1. Redistributions of source code must retain the above copyright
|
9 |
* notice, this list of conditions and the following disclaimer.
|
10 |
* 2. Redistributions in binary form must reproduce the above copyright
|
11 |
* notice, this list of conditions and the following disclaimer in the
|
12 |
* documentation and/or other materials provided with the distribution.
|
13 |
* 3. Neither the name of the University nor the names of its contributors
|
14 |
* may be used to endorse or promote products derived from this software
|
15 |
* without specific prior written permission.
|
16 |
*
|
17 |
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
|
18 |
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
19 |
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
20 |
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
|
21 |
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
22 |
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
23 |
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
24 |
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
25 |
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
26 |
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
27 |
* SUCH DAMAGE.
|
28 |
*/
|
29 |
|
30 |
#include <sys/param.h> |
31 |
#include <errno.h> |
32 |
#include <stdio.h> |
33 |
#include <stdlib.h> |
34 |
#include <string.h> |
35 |
#include <unistd.h> |
36 |
#include <paths.h> |
37 |
|
38 |
char *
|
39 |
tempnam(dir, pfx) |
40 |
const char *dir, *pfx; |
41 |
{ |
42 |
int sverrno;
|
43 |
char *f, *name;
|
44 |
|
45 |
if (!(name = malloc((size_t)MAXPATHLEN)))
|
46 |
return(NULL); |
47 |
|
48 |
if (!pfx)
|
49 |
pfx = "tmp.";
|
50 |
|
51 |
if ((f = getenv("TMPDIR")) != NULL) { |
52 |
(void)snprintf(name, (size_t)MAXPATHLEN, "%s%s%sXXXXXXXXXX", f, |
53 |
*(f + strlen(f) - 1) == '/'? "": "/", pfx); |
54 |
if ((f = mktemp(name)) != NULL) |
55 |
return(f);
|
56 |
} |
57 |
|
58 |
if ((/* LINTED */f = (char *)dir) != NULL) { |
59 |
(void)snprintf(name, (size_t)MAXPATHLEN, "%s%s%sXXXXXXXXXX", f, |
60 |
*(f + strlen(f) - 1) == '/'? "": "/", pfx); |
61 |
if ((f = mktemp(name)) != NULL) |
62 |
return(f);
|
63 |
} |
64 |
|
65 |
f = P_tmpdir; |
66 |
(void)snprintf(name, (size_t)MAXPATHLEN, "%s%sXXXXXXXXXX", f, pfx); |
67 |
if ((f = mktemp(name)) != NULL) |
68 |
return(f);
|
69 |
|
70 |
f = _PATH_TMP; |
71 |
(void)snprintf(name, (size_t)MAXPATHLEN, "%s%sXXXXXXXXXX", f, pfx); |
72 |
if ((f = mktemp(name)) != NULL) |
73 |
return(f);
|
74 |
|
75 |
sverrno = errno; |
76 |
free(name); |
77 |
errno = sverrno; |
78 |
return(NULL); |
79 |
} |